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Inventories (Tables)
 6 Months Ended
Mar. 31, 2018
Inventories  
Summary of major classes of inventories

 

 

 

 

 

 

 

 

 

 

 

September 30, 

 

March 31, 

 

 

 

    

2017

    

2018

    

 

Raw Materials

 

$

18,731

 

$

20,065

 

 

Work-in-process

 

 

130,019

 

 

150,404

 

 

Finished Goods

 

 

94,331

 

 

95,833

 

 

Other

 

 

1,376

 

 

1,568

 

 

 

 

$

244,457

 

$

267,870